Alain Couder was named CEO and president of Solid Information Technology Inc., a Cupertino provider of an embedded data management platform for telecommunications. He was a venture capitalist at Sofinnova Ventures.

Centrata Inc., a Redwood City provider of service delivery management technology, appointed company cofounder Boris Pevzner chief strategy officer. He was VP of marketing and business development.

MRM Partners, San Francisco, a unit of McCann Worldgroup specializing in customer relationship management and digital marketing, named Greg Johnson EVP and global director of digital innovation. He was president of agency services at Digitas Inc.